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Luca Castelnuovo
Left-Handed, One-Handed Backhand · 185cm
Luca Castelnuovo is a professional tennis player from Switzerland, 29 years old, ranked No. 376 on the ATP singles rankings as of September 21, 2026. Career-high ranking: No. 342 (May 25, 2026). Castelnuovo has won 5 career singles titles from 7 finals (5 at ITF level). Most recent title: M25 Guiyang 1 (2025), beating Bar Biryukov 6-4, 6-4 in the final. In 2026 the record stands at 27-21 (0-1 at Tour level, 12-14 at Challenger level, 15-6 at ITF / Futures level). Last match: lost to Ymer 7-6(6), 6-4 in the R2 at Guangzhou Challenger, September 16, 2026.
The Climb
From the Futures to the Slams
The milestones that mark a professional career, with the ranking at each step.
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Say where this player will be, and by when. Graded from the weekly rankings; the record lives on My Slip.
Why we're watching
Recent results
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The last ten singles matches, from the results feed. Click a column header to sort.
Career record by surface
Ranking, recent weeks
Titles & finals
Win–loss by level · this season
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